stop();

//untuk fungsi tombol back

tombol_back.addEventListener(MouseEvent.CLICK, klik_back);
function klik_back(e:MouseEvent):void
{
    prevFrame();
}

//untuk fungsi tombol next
tombol_next.addEventListener(MouseEvent.CLICK, klik_next);
function klik_next(e:MouseEvent):void
{
    nextFrame();
}